5 * DEBUG: section 85 Client-side Request Routines
6 * AUTHOR: Robert Collins (Originally Duane Wessels in client_side.c)
8 * SQUID Web Proxy Cache http://www.squid-cache.org/
9 * ----------------------------------------------------------
11 * Squid is the result of efforts by numerous individuals from
12 * the Internet community; see the CONTRIBUTORS file for full
13 * details. Many organizations have provided support for Squid's
14 * development; see the SPONSORS file for full details. Squid is
15 * Copyrighted (C) 2001 by the Regents of the University of
16 * California; see the COPYRIGHT file for full details. Squid
17 * incorporates software developed and/or copyrighted by other
18 * sources; see the CREDITS file for full details.
20 * This program is free software; you can redistribute it and/or modify
21 * it under the terms of the GNU General Public License as published by
22 * the Free Software Foundation; either version 2 of the License, or
23 * (at your option) any later version.
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
38 * General logic of request processing:
40 * We run a series of tests to determine if access will be permitted, and to do
41 * any redirection. Then we call into the result clientStream to retrieve data.
42 * From that point on it's up to reply management.
46 #include "acl/FilledChecklist.h"
47 #include "acl/Gadgets.h"
49 #include "adaptation/AccessCheck.h"
50 #include "adaptation/Iterator.h"
51 #include "adaptation/Service.h"
53 #include "adaptation/icap/History.h"
56 #include "auth/UserRequest.h"
57 #include "clientStream.h"
58 #include "client_side.h"
59 #include "client_side_reply.h"
60 #include "client_side_request.h"
61 #include "ClientRequestContext.h"
62 #include "comm/Connection.h"
63 #include "compat/inet_pton.h"
65 #include "HttpReply.h"
66 #include "HttpRequest.h"
67 #include "MemObject.h"
68 #include "ProtoPort.h"
70 #include "SquidTime.h"
75 #define comm_close comm_lingering_close
78 static const char *const crlf
= "\r\n";
80 #if FOLLOW_X_FORWARDED_FOR
82 clientFollowXForwardedForCheck(int answer
, void *data
);
83 #endif /* FOLLOW_X_FORWARDED_FOR */
85 CBDATA_CLASS_INIT(ClientRequestContext
);
88 ClientRequestContext::operator new (size_t size
)
90 assert (size
== sizeof(ClientRequestContext
));
91 CBDATA_INIT_TYPE(ClientRequestContext
);
92 ClientRequestContext
*result
= cbdataAlloc(ClientRequestContext
);
97 ClientRequestContext::operator delete (void *address
)
99 ClientRequestContext
*t
= static_cast<ClientRequestContext
*>(address
);
103 /* Local functions */
105 static void clientAccessCheckDoneWrapper(int, void *);
106 static int clientHierarchical(ClientHttpRequest
* http
);
107 static void clientInterpretRequestHeaders(ClientHttpRequest
* http
);
108 static RH clientRedirectDoneWrapper
;
109 static PF checkNoCacheDoneWrapper
;
110 extern "C" CSR clientGetMoreData
;
111 extern "C" CSS clientReplyStatus
;
112 extern "C" CSD clientReplyDetach
;
113 static void checkFailureRatio(err_type
, hier_code
);
115 ClientRequestContext::~ClientRequestContext()
118 * Release our "lock" on our parent, ClientHttpRequest, if we
123 cbdataReferenceDone(http
);
125 debugs(85,3, HERE
<< this << " ClientRequestContext destructed");
128 ClientRequestContext::ClientRequestContext(ClientHttpRequest
*anHttp
) : http(cbdataReference(anHttp
)), acl_checklist (NULL
), redirect_state (REDIRECT_NONE
)
130 http_access_done
= false;
131 redirect_done
= false;
132 no_cache_done
= false;
133 interpreted_req_hdrs
= false;
134 debugs(85,3, HERE
<< this << " ClientRequestContext constructed");
137 CBDATA_CLASS_INIT(ClientHttpRequest
);
140 ClientHttpRequest::operator new (size_t size
)
142 assert (size
== sizeof (ClientHttpRequest
));
143 CBDATA_INIT_TYPE(ClientHttpRequest
);
144 ClientHttpRequest
*result
= cbdataAlloc(ClientHttpRequest
);
149 ClientHttpRequest::operator delete (void *address
)
151 ClientHttpRequest
*t
= static_cast<ClientHttpRequest
*>(address
);
155 ClientHttpRequest::ClientHttpRequest(ConnStateData
* aConn
) :
157 AsyncJob("ClientHttpRequest"),
161 start_time
= current_time
;
163 dlinkAdd(this, &active
, &ClientActiveRequests
);
165 request_satisfaction_mode
= false;
170 * returns true if client specified that the object must come from the cache
171 * without contacting origin server
174 ClientHttpRequest::onlyIfCached()const
177 return request
->cache_control
&&
178 EBIT_TEST(request
->cache_control
->mask
, CC_ONLY_IF_CACHED
);
182 * This function is designed to serve a fairly specific purpose.
183 * Occasionally our vBNS-connected caches can talk to each other, but not
184 * the rest of the world. Here we try to detect frequent failures which
185 * make the cache unusable (e.g. DNS lookup and connect() failures). If
186 * the failure:success ratio goes above 1.0 then we go into "hit only"
187 * mode where we only return UDP_HIT or UDP_MISS_NOFETCH. Neighbors
188 * will only fetch HITs from us if they are using the ICP protocol. We
189 * stay in this mode for 5 minutes.
191 * Duane W., Sept 16, 1996
194 #define FAILURE_MODE_TIME 300
197 checkFailureRatio(err_type etype
, hier_code hcode
)
199 static double magic_factor
= 100.0;
203 if (hcode
== HIER_NONE
)
206 n_good
= magic_factor
/ (1.0 + request_failure_ratio
);
208 n_bad
= magic_factor
- n_good
;
214 case ERR_CONNECT_FAIL
:
215 case ERR_SECURE_CONNECT_FAIL
:
225 request_failure_ratio
= n_bad
/ n_good
;
227 if (hit_only_mode_until
> squid_curtime
)
230 if (request_failure_ratio
< 1.0)
233 debugs(33, 0, "Failure Ratio at "<< std::setw(4)<<
234 std::setprecision(3) << request_failure_ratio
);
236 debugs(33, 0, "Going into hit-only-mode for " <<
237 FAILURE_MODE_TIME
/ 60 << " minutes...");
239 hit_only_mode_until
= squid_curtime
+ FAILURE_MODE_TIME
;
241 request_failure_ratio
= 0.8; /* reset to something less than 1.0 */
244 ClientHttpRequest::~ClientHttpRequest()
246 debugs(33, 3, "httpRequestFree: " << uri
);
247 PROF_start(httpRequestFree
);
249 // Even though freeResources() below may destroy the request,
250 // we no longer set request->body_pipe to NULL here
251 // because we did not initiate that pipe (ConnStateData did)
253 /* the ICP check here was erroneous
254 * - StoreEntry::releaseRequest was always called if entry was valid
256 assert(logType
< LOG_TYPE_MAX
);
263 checkFailureRatio(request
->errType
, al
.hier
.code
);
268 announceInitiatorAbort(virginHeadSource
);
270 if (adaptedBodySource
!= NULL
)
271 stopConsumingFrom(adaptedBodySource
);
275 delete calloutContext
;
278 cbdataReferenceDone(conn_
);
280 /* moving to the next connection is handled by the context free */
281 dlinkDelete(&active
, &ClientActiveRequests
);
283 PROF_stop(httpRequestFree
);
287 * Create a request and kick it off
292 * TODO: Pass in the buffers to be used in the inital Read request, as they are
293 * determined by the user
296 clientBeginRequest(const HttpRequestMethod
& method
, char const *url
, CSCB
* streamcallback
,
297 CSD
* streamdetach
, ClientStreamData streamdata
, HttpHeader
const *header
,
298 char *tailbuf
, size_t taillen
)
301 ClientHttpRequest
*http
= new ClientHttpRequest(NULL
);
302 HttpRequest
*request
;
303 StoreIOBuffer tempBuffer
;
304 http
->start_time
= current_time
;
305 /* this is only used to adjust the connection offset in client_side.c */
307 tempBuffer
.length
= taillen
;
308 tempBuffer
.data
= tailbuf
;
309 /* client stream setup */
310 clientStreamInit(&http
->client_stream
, clientGetMoreData
, clientReplyDetach
,
311 clientReplyStatus
, new clientReplyContext(http
), streamcallback
,
312 streamdetach
, streamdata
, tempBuffer
);
313 /* make it visible in the 'current acctive requests list' */
315 /* internal requests only makes sense in an
316 * accelerator today. TODO: accept flags ? */
317 http
->flags
.accel
= 1;
318 /* allow size for url rewriting */
319 url_sz
= strlen(url
) + Config
.appendDomainLen
+ 5;
320 http
->uri
= (char *)xcalloc(url_sz
, 1);
321 strcpy(http
->uri
, url
);
323 if ((request
= HttpRequest::CreateFromUrlAndMethod(http
->uri
, method
)) == NULL
) {
324 debugs(85, 5, "Invalid URL: " << http
->uri
);
329 * now update the headers in request with our supplied headers. urlParse
330 * should return a blank header set, but we use Update to be sure of
334 request
->header
.update(header
, NULL
);
336 http
->log_uri
= xstrdup(urlCanonicalClean(request
));
338 /* http struct now ready */
341 * build new header list *? TODO
343 request
->flags
.accelerated
= http
->flags
.accel
;
345 request
->flags
.internalclient
= 1;
347 /* this is an internally created
348 * request, not subject to acceleration
349 * target overrides */
351 * FIXME? Do we want to detect and handle internal requests of internal
355 /* Internally created requests cannot have bodies today */
356 request
->content_length
= 0;
358 request
->client_addr
.SetNoAddr();
360 #if FOLLOW_X_FORWARDED_FOR
361 request
->indirect_client_addr
.SetNoAddr();
362 #endif /* FOLLOW_X_FORWARDED_FOR */
364 request
->my_addr
.SetNoAddr(); /* undefined for internal requests */
366 request
->my_addr
.SetPort(0);
368 /* Our version is HTTP/1.1 */
369 HttpVersion
http_ver(1,1);
370 request
->http_ver
= http_ver
;
372 http
->request
= HTTPMSGLOCK(request
);
374 /* optional - skip the access check ? */
375 http
->calloutContext
= new ClientRequestContext(http
);
377 http
->calloutContext
->http_access_done
= false;
379 http
->calloutContext
->redirect_done
= true;
381 http
->calloutContext
->no_cache_done
= true;
389 ClientRequestContext::httpStateIsValid()
391 ClientHttpRequest
*http_
= http
;
393 if (cbdataReferenceValid(http_
))
398 cbdataReferenceDone(http_
);
403 #if FOLLOW_X_FORWARDED_FOR
405 * clientFollowXForwardedForCheck() checks the content of X-Forwarded-For:
406 * against the followXFF ACL, or cleans up and passes control to
407 * clientAccessCheck().
409 * The trust model here is a little ambiguous. So to clarify the logic:
410 * - we may always use the direct client address as the client IP.
411 * - these trust tests merey tell whether we trust given IP enough to believe the
412 * IP string which it appended to the X-Forwarded-For: header.
413 * - if at any point we don't trust what an IP adds we stop looking.
414 * - at that point the current contents of indirect_client_addr are the value set
415 * by the last previously trusted IP.
416 * ++ indirect_client_addr contains the remote direct client from the trusted peers viewpoint.
419 clientFollowXForwardedForCheck(int answer
, void *data
)
421 ClientRequestContext
*calloutContext
= (ClientRequestContext
*) data
;
423 if (!calloutContext
->httpStateIsValid())
426 ClientHttpRequest
*http
= calloutContext
->http
;
427 HttpRequest
*request
= http
->request
;
430 * answer should be be ACCESS_ALLOWED or ACCESS_DENIED if we are
431 * called as a result of ACL checks, or -1 if we are called when
432 * there's nothing left to do.
434 if (answer
== ACCESS_ALLOWED
&&
435 request
->x_forwarded_for_iterator
.size () != 0) {
438 * Remove the last comma-delimited element from the
439 * x_forwarded_for_iterator and use it to repeat the cycle.
442 const char *asciiaddr
;
445 p
= request
->x_forwarded_for_iterator
.termedBuf();
446 l
= request
->x_forwarded_for_iterator
.size();
449 * XXX x_forwarded_for_iterator should really be a list of
450 * IP addresses, but it's a String instead. We have to
451 * walk backwards through the String, biting off the last
452 * comma-delimited part each time. As long as the data is in
453 * a String, we should probably implement and use a variant of
454 * strListGetItem() that walks backwards instead of forwards
455 * through a comma-separated list. But we don't even do that;
456 * we just do the work in-line here.
458 /* skip trailing space and commas */
459 while (l
> 0 && (p
[l
-1] == ',' || xisspace(p
[l
-1])))
461 request
->x_forwarded_for_iterator
.cut(l
);
462 /* look for start of last item in list */
463 while (l
> 0 && ! (p
[l
-1] == ',' || xisspace(p
[l
-1])))
466 if ((addr
= asciiaddr
)) {
467 request
->indirect_client_addr
= addr
;
468 request
->x_forwarded_for_iterator
.cut(l
);
469 calloutContext
->acl_checklist
= clientAclChecklistCreate(Config
.accessList
.followXFF
, http
);
470 if (!Config
.onoff
.acl_uses_indirect_client
) {
471 /* override the default src_addr tested if we have to go deeper than one level into XFF */
472 Filled(calloutContext
->acl_checklist
)->src_addr
= request
->indirect_client_addr
;
474 calloutContext
->acl_checklist
->nonBlockingCheck(clientFollowXForwardedForCheck
, data
);
477 } /*if (answer == ACCESS_ALLOWED &&
478 request->x_forwarded_for_iterator.size () != 0)*/
480 /* clean up, and pass control to clientAccessCheck */
481 if (Config
.onoff
.log_uses_indirect_client
) {
483 * Ensure that the access log shows the indirect client
484 * instead of the direct client.
486 ConnStateData
*conn
= http
->getConn();
487 conn
->log_addr
= request
->indirect_client_addr
;
489 request
->x_forwarded_for_iterator
.clean();
490 request
->flags
.done_follow_x_forwarded_for
= 1;
492 if (answer
!= ACCESS_ALLOWED
&& answer
!= ACCESS_DENIED
) {
493 debugs(28, DBG_CRITICAL
, "ERROR: Processing X-Forwarded-For. Stopping at IP address: " << request
->indirect_client_addr
);
496 /* process actual access ACL as normal. */
497 calloutContext
->clientAccessCheck();
499 #endif /* FOLLOW_X_FORWARDED_FOR */
501 /* This is the entry point for external users of the client_side routines */
503 ClientRequestContext::clientAccessCheck()
505 #if FOLLOW_X_FORWARDED_FOR
506 if (!http
->request
->flags
.done_follow_x_forwarded_for
&&
507 Config
.accessList
.followXFF
&&
508 http
->request
->header
.has(HDR_X_FORWARDED_FOR
)) {
510 /* we always trust the direct client address for actual use */
511 http
->request
->indirect_client_addr
= http
->request
->client_addr
;
512 http
->request
->indirect_client_addr
.SetPort(0);
514 /* setup the XFF iterator for processing */
515 http
->request
->x_forwarded_for_iterator
= http
->request
->header
.getList(HDR_X_FORWARDED_FOR
);
517 /* begin by checking to see if we trust direct client enough to walk XFF */
518 acl_checklist
= clientAclChecklistCreate(Config
.accessList
.followXFF
, http
);
519 acl_checklist
->nonBlockingCheck(clientFollowXForwardedForCheck
, this);
522 #endif /* FOLLOW_X_FORWARDED_FOR */
524 if (Config
.accessList
.http
) {
525 acl_checklist
= clientAclChecklistCreate(Config
.accessList
.http
, http
);
526 acl_checklist
->nonBlockingCheck(clientAccessCheckDoneWrapper
, this);
528 debugs(0, DBG_CRITICAL
, "No http_access configuration found. This will block ALL traffic");
529 clientAccessCheckDone(ACCESS_DENIED
);
534 * Identical in operation to clientAccessCheck() but performed later using different configured ACL list.
535 * The default here is to allow all. Since the earlier http_access should do a default deny all.
536 * This check is just for a last-minute denial based on adapted request headers.
539 ClientRequestContext::clientAccessCheck2()
541 if (Config
.accessList
.adapted_http
) {
542 acl_checklist
= clientAclChecklistCreate(Config
.accessList
.adapted_http
, http
);
543 acl_checklist
->nonBlockingCheck(clientAccessCheckDoneWrapper
, this);
545 debugs(85, 2, HERE
<< "No adapted_http_access configuration. default: ALLOW");
546 clientAccessCheckDone(ACCESS_ALLOWED
);
551 clientAccessCheckDoneWrapper(int answer
, void *data
)
553 ClientRequestContext
*calloutContext
= (ClientRequestContext
*) data
;
555 if (!calloutContext
->httpStateIsValid())
558 calloutContext
->clientAccessCheckDone(answer
);
562 ClientRequestContext::clientAccessCheckDone(int answer
)
564 acl_checklist
= NULL
;
567 debugs(85, 2, "The request " <<
568 RequestMethodStr(http
->request
->method
) << " " <<
569 http
->uri
<< " is " <<
570 (answer
== ACCESS_ALLOWED
? "ALLOWED" : "DENIED") <<
571 ", because it matched '" <<
572 (AclMatchedName
? AclMatchedName
: "NO ACL's") << "'" );
573 char const *proxy_auth_msg
= "<null>";
575 if (http
->getConn() != NULL
&& http
->getConn()->auth_user_request
!= NULL
)
576 proxy_auth_msg
= http
->getConn()->auth_user_request
->denyMessage("<null>");
577 else if (http
->request
->auth_user_request
!= NULL
)
578 proxy_auth_msg
= http
->request
->auth_user_request
->denyMessage("<null>");
580 if (answer
!= ACCESS_ALLOWED
) {
582 int require_auth
= (answer
== ACCESS_REQ_PROXY_AUTH
|| aclIsProxyAuth(AclMatchedName
));
583 debugs(85, 5, "Access Denied: " << http
->uri
);
584 debugs(85, 5, "AclMatchedName = " << (AclMatchedName
? AclMatchedName
: "<null>"));
587 debugs(33, 5, "Proxy Auth Message = " << (proxy_auth_msg
? proxy_auth_msg
: "<null>"));
590 * NOTE: get page_id here, based on AclMatchedName because if
591 * USE_DELAY_POOLS is enabled, then AclMatchedName gets clobbered in
592 * the clientCreateStoreEntry() call just below. Pedro Ribeiro
595 page_id
= aclGetDenyInfoPage(&Config
.denyInfoList
, AclMatchedName
, answer
!= ACCESS_REQ_PROXY_AUTH
);
597 http
->logType
= LOG_TCP_DENIED
;
600 if (!http
->flags
.accel
) {
601 /* Proxy authorisation needed */
602 status
= HTTP_PROXY_AUTHENTICATION_REQUIRED
;
604 /* WWW authorisation needed */
605 status
= HTTP_UNAUTHORIZED
;
608 if (page_id
== ERR_NONE
)
609 page_id
= ERR_CACHE_ACCESS_DENIED
;
611 status
= HTTP_FORBIDDEN
;
613 if (page_id
== ERR_NONE
)
614 page_id
= ERR_ACCESS_DENIED
;
617 clientStreamNode
*node
= (clientStreamNode
*)http
->client_stream
.tail
->prev
->data
;
618 clientReplyContext
*repContext
= dynamic_cast<clientReplyContext
*>(node
->data
.getRaw());
620 Ip::Address tmpnoaddr
;
621 tmpnoaddr
.SetNoAddr();
622 repContext
->setReplyToError(page_id
, status
,
623 http
->request
->method
, NULL
,
624 http
->getConn() != NULL
? http
->getConn()->peer
: tmpnoaddr
,
627 http
->getConn() != NULL
&& http
->getConn()->auth_user_request
!= NULL
?
628 http
->getConn()->auth_user_request
: http
->request
->auth_user_request
);
630 node
= (clientStreamNode
*)http
->client_stream
.tail
->data
;
631 clientStreamRead(node
, http
, node
->readBuffer
);
635 /* ACCESS_ALLOWED continues here ... */
636 safe_free(http
->uri
);
638 http
->uri
= xstrdup(urlCanonical(http
->request
));
645 adaptationAclCheckDoneWrapper(Adaptation::ServiceGroupPointer g
, void *data
)
647 ClientRequestContext
*calloutContext
= (ClientRequestContext
*)data
;
649 if (!calloutContext
->httpStateIsValid())
652 calloutContext
->adaptationAclCheckDone(g
);
656 ClientRequestContext::adaptationAclCheckDone(Adaptation::ServiceGroupPointer g
)
658 debugs(93,3,HERE
<< this << " adaptationAclCheckDone called");
662 Adaptation::Icap::History::Pointer ih
= http
->request
->icapHistory();
664 if (http
->getConn() != NULL
) {
665 ih
->rfc931
= http
->getConn()->rfc931
;
667 assert(http
->getConn()->clientConn
!= NULL
);
668 ih
->ssluser
= sslGetUserEmail(fd_table
[http
->getConn()->clientConn
->fd
].ssl
);
671 ih
->log_uri
= http
->log_uri
;
672 ih
->req_sz
= http
->req_sz
;
677 debugs(85,3, HERE
<< "no adaptation needed");
682 http
->startAdaptation(g
);
688 clientRedirectAccessCheckDone(int answer
, void *data
)
690 ClientRequestContext
*context
= (ClientRequestContext
*)data
;
691 ClientHttpRequest
*http
= context
->http
;
692 context
->acl_checklist
= NULL
;
694 if (answer
== ACCESS_ALLOWED
)
695 redirectStart(http
, clientRedirectDoneWrapper
, context
);
697 context
->clientRedirectDone(NULL
);
701 ClientRequestContext::clientRedirectStart()
703 debugs(33, 5, "clientRedirectStart: '" << http
->uri
<< "'");
705 if (Config
.accessList
.redirector
) {
706 acl_checklist
= clientAclChecklistCreate(Config
.accessList
.redirector
, http
);
707 acl_checklist
->nonBlockingCheck(clientRedirectAccessCheckDone
, this);
709 redirectStart(http
, clientRedirectDoneWrapper
, this);
713 clientHierarchical(ClientHttpRequest
* http
)
715 const char *url
= http
->uri
;
716 HttpRequest
*request
= http
->request
;
717 HttpRequestMethod method
= request
->method
;
718 const wordlist
*p
= NULL
;
721 * IMS needs a private key, so we can use the hierarchy for IMS only if our
722 * neighbors support private keys
725 if (request
->flags
.ims
&& !neighbors_do_private_keys
)
729 * This is incorrect: authenticating requests can be sent via a hierarchy
730 * (they can even be cached if the correct headers are set on the reply)
732 if (request
->flags
.auth
)
735 if (method
== METHOD_TRACE
)
738 if (method
!= METHOD_GET
)
741 /* scan hierarchy_stoplist */
742 for (p
= Config
.hierarchy_stoplist
; p
; p
= p
->next
)
743 if (strstr(url
, p
->key
))
746 if (request
->flags
.loopdetect
)
749 if (request
->protocol
== PROTO_HTTP
)
750 return httpCachable(method
);
752 if (request
->protocol
== PROTO_GOPHER
)
753 return gopherCachable(request
);
755 if (request
->protocol
== PROTO_CACHEOBJ
)
763 clientCheckPinning(ClientHttpRequest
* http
)
765 HttpRequest
*request
= http
->request
;
766 HttpHeader
*req_hdr
= &request
->header
;
767 ConnStateData
*http_conn
= http
->getConn();
769 /* Internal requests such as those from ESI includes may be without
770 * a client connection
775 request
->flags
.connection_auth_disabled
= http_conn
->port
->connection_auth_disabled
;
776 if (!request
->flags
.connection_auth_disabled
) {
777 if (http_conn
->pinning
.fd
!= -1) {
778 if (http_conn
->pinning
.auth
) {
779 request
->flags
.connection_auth
= 1;
780 request
->flags
.auth
= 1;
782 request
->flags
.connection_proxy_auth
= 1;
784 request
->setPinnedConnection(http_conn
);
788 /* check if connection auth is used, and flag as candidate for pinning
790 * Note: we may need to set flags.connection_auth even if the connection
791 * is already pinned if it was pinned earlier due to proxy auth
793 if (!request
->flags
.connection_auth
) {
794 if (req_hdr
->has(HDR_AUTHORIZATION
) || req_hdr
->has(HDR_PROXY_AUTHORIZATION
)) {
795 HttpHeaderPos pos
= HttpHeaderInitPos
;
798 while ((e
= req_hdr
->getEntry(&pos
))) {
799 if (e
->id
== HDR_AUTHORIZATION
|| e
->id
== HDR_PROXY_AUTHORIZATION
) {
800 const char *value
= e
->value
.rawBuf();
801 if (strncasecmp(value
, "NTLM ", 5) == 0
803 strncasecmp(value
, "Negotiate ", 10) == 0
805 strncasecmp(value
, "Kerberos ", 9) == 0) {
806 if (e
->id
== HDR_AUTHORIZATION
) {
807 request
->flags
.connection_auth
= 1;
810 request
->flags
.connection_proxy_auth
= 1;
816 if (may_pin
&& !request
->pinnedConnection()) {
817 request
->setPinnedConnection(http
->getConn());
824 clientInterpretRequestHeaders(ClientHttpRequest
* http
)
826 HttpRequest
*request
= http
->request
;
827 HttpHeader
*req_hdr
= &request
->header
;
831 request
->imslen
= -1;
832 request
->ims
= req_hdr
->getTime(HDR_IF_MODIFIED_SINCE
);
834 if (request
->ims
> 0)
835 request
->flags
.ims
= 1;
837 if (!request
->flags
.ignore_cc
) {
838 if (req_hdr
->has(HDR_PRAGMA
)) {
839 String s
= req_hdr
->getList(HDR_PRAGMA
);
841 if (strListIsMember(&s
, "no-cache", ','))
847 if (request
->cache_control
)
848 if (EBIT_TEST(request
->cache_control
->mask
, CC_NO_CACHE
))
852 * Work around for supporting the Reload button in IE browsers when Squid
853 * is used as an accelerator or transparent proxy, by turning accelerated
854 * IMS request to no-cache requests. Now knows about IE 5.5 fix (is
855 * actually only fixed in SP1, but we can't tell whether we are talking to
856 * SP1 or not so all 5.5 versions are treated 'normally').
858 if (Config
.onoff
.ie_refresh
) {
859 if (http
->flags
.accel
&& request
->flags
.ims
) {
860 if ((str
= req_hdr
->getStr(HDR_USER_AGENT
))) {
861 if (strstr(str
, "MSIE 5.01") != NULL
)
863 else if (strstr(str
, "MSIE 5.0") != NULL
)
865 else if (strstr(str
, "MSIE 4.") != NULL
)
867 else if (strstr(str
, "MSIE 3.") != NULL
)
874 if (request
->method
== METHOD_OTHER
) {
879 #if USE_HTTP_VIOLATIONS
881 if (Config
.onoff
.reload_into_ims
)
882 request
->flags
.nocache_hack
= 1;
883 else if (refresh_nocache_hack
)
884 request
->flags
.nocache_hack
= 1;
888 request
->flags
.nocache
= 1;
891 /* ignore range header in non-GETs or non-HEADs */
892 if (request
->method
== METHOD_GET
|| request
->method
== METHOD_HEAD
) {
893 // XXX: initialize if we got here without HttpRequest::parseHeader()
895 request
->range
= req_hdr
->getRange();
897 if (request
->range
) {
898 request
->flags
.range
= 1;
899 clientStreamNode
*node
= (clientStreamNode
*)http
->client_stream
.tail
->data
;
900 /* XXX: This is suboptimal. We should give the stream the range set,
901 * and thereby let the top of the stream set the offset when the
902 * size becomes known. As it is, we will end up requesting from 0
903 * for evey -X range specification.
904 * RBC - this may be somewhat wrong. We should probably set the range
905 * iter up at this point.
907 node
->readBuffer
.offset
= request
->range
->lowestOffset(0);
908 http
->range_iter
.pos
= request
->range
->begin();
909 http
->range_iter
.valid
= true;
913 /* Only HEAD and GET requests permit a Range or Request-Range header.
914 * If these headers appear on any other type of request, delete them now.
917 req_hdr
->delById(HDR_RANGE
);
918 req_hdr
->delById(HDR_REQUEST_RANGE
);
919 delete request
->range
;
920 request
->range
= NULL
;
923 if (req_hdr
->has(HDR_AUTHORIZATION
))
924 request
->flags
.auth
= 1;
926 clientCheckPinning(http
);
928 if (request
->login
[0] != '\0')
929 request
->flags
.auth
= 1;
931 if (req_hdr
->has(HDR_VIA
)) {
932 String s
= req_hdr
->getList(HDR_VIA
);
934 * ThisCache cannot be a member of Via header, "1.0 ThisCache" can.
935 * Note ThisCache2 has a space prepended to the hostname so we don't
936 * accidentally match super-domains.
939 if (strListIsSubstr(&s
, ThisCache2
, ',')) {
940 debugObj(33, 1, "WARNING: Forwarding loop detected for:\n",
941 request
, (ObjPackMethod
) & httpRequestPack
);
942 request
->flags
.loopdetect
= 1;
946 fvdbCountVia(s
.termedBuf());
954 \todo --enable-useragent-log and --enable-referer-log. We should
955 probably drop those two as the custom log formats accomplish pretty much the same thing..
957 #if USE_USERAGENT_LOG
958 if ((str
= req_hdr
->getStr(HDR_USER_AGENT
)))
959 logUserAgent(fqdnFromAddr(http
->getConn()->log_addr
), str
);
964 if ((str
= req_hdr
->getStr(HDR_REFERER
)))
965 logReferer(fqdnFromAddr(http
->getConn()->log_addr
), str
, http
->log_uri
);
970 if (req_hdr
->has(HDR_X_FORWARDED_FOR
)) {
971 String s
= req_hdr
->getList(HDR_X_FORWARDED_FOR
);
972 fvdbCountForw(s
.termedBuf());
978 request
->flags
.cachable
= http
->request
->cacheable();
980 if (clientHierarchical(http
))
981 request
->flags
.hierarchical
= 1;
983 debugs(85, 5, "clientInterpretRequestHeaders: REQ_NOCACHE = " <<
984 (request
->flags
.nocache
? "SET" : "NOT SET"));
985 debugs(85, 5, "clientInterpretRequestHeaders: REQ_CACHABLE = " <<
986 (request
->flags
.cachable
? "SET" : "NOT SET"));
987 debugs(85, 5, "clientInterpretRequestHeaders: REQ_HIERARCHICAL = " <<
988 (request
->flags
.hierarchical
? "SET" : "NOT SET"));
993 clientRedirectDoneWrapper(void *data
, char *result
)
995 ClientRequestContext
*calloutContext
= (ClientRequestContext
*)data
;
997 if (!calloutContext
->httpStateIsValid())
1000 calloutContext
->clientRedirectDone(result
);
1004 ClientRequestContext::clientRedirectDone(char *result
)
1006 HttpRequest
*new_request
= NULL
;
1007 HttpRequest
*old_request
= http
->request
;
1008 debugs(85, 5, "clientRedirectDone: '" << http
->uri
<< "' result=" << (result
? result
: "NULL"));
1009 assert(redirect_state
== REDIRECT_PENDING
);
1010 redirect_state
= REDIRECT_DONE
;
1013 http_status status
= (http_status
) atoi(result
);
1015 if (status
== HTTP_MOVED_PERMANENTLY
1016 || status
== HTTP_MOVED_TEMPORARILY
1017 || status
== HTTP_SEE_OTHER
1018 || status
== HTTP_TEMPORARY_REDIRECT
) {
1021 if ((t
= strchr(result
, ':')) != NULL
) {
1022 http
->redirect
.status
= status
;
1023 http
->redirect
.location
= xstrdup(t
+ 1);
1025 debugs(85, 1, "clientRedirectDone: bad input: " << result
);
1027 } else if (strcmp(result
, http
->uri
))
1028 new_request
= HttpRequest::CreateFromUrlAndMethod(result
, old_request
->method
);
1032 safe_free(http
->uri
);
1033 http
->uri
= xstrdup(urlCanonical(new_request
));
1034 new_request
->http_ver
= old_request
->http_ver
;
1035 new_request
->header
.append(&old_request
->header
);
1036 new_request
->client_addr
= old_request
->client_addr
;
1037 #if FOLLOW_X_FORWARDED_FOR
1038 new_request
->indirect_client_addr
= old_request
->indirect_client_addr
;
1039 #endif /* FOLLOW_X_FORWARDED_FOR */
1040 new_request
->my_addr
= old_request
->my_addr
;
1041 new_request
->flags
= old_request
->flags
;
1042 new_request
->flags
.redirected
= 1;
1043 new_request
->auth_user_request
= old_request
->auth_user_request
;
1045 if (old_request
->body_pipe
!= NULL
) {
1046 new_request
->body_pipe
= old_request
->body_pipe
;
1047 old_request
->body_pipe
= NULL
;
1048 debugs(0,0,HERE
<< "redirecting body_pipe " << new_request
->body_pipe
<< " from request " << old_request
<< " to " << new_request
);
1051 new_request
->content_length
= old_request
->content_length
;
1052 new_request
->extacl_user
= old_request
->extacl_user
;
1053 new_request
->extacl_passwd
= old_request
->extacl_passwd
;
1054 new_request
->flags
.proxy_keepalive
= old_request
->flags
.proxy_keepalive
;
1055 HTTPMSGUNLOCK(old_request
);
1056 http
->request
= HTTPMSGLOCK(new_request
);
1059 /* FIXME PIPELINE: This is innacurate during pipelining */
1061 if (http
->getConn() != NULL
&& Comm::IsConnOpen(http
->getConn()->clientConn
))
1062 fd_note(http
->getConn()->clientConn
->fd
, http
->uri
);
1069 /** Test cache allow/deny configuration
1070 * Sets flags.cachable=1 if caching is not denied.
1073 ClientRequestContext::checkNoCache()
1075 if (Config
.accessList
.noCache
) {
1076 acl_checklist
= clientAclChecklistCreate(Config
.accessList
.noCache
, http
);
1077 acl_checklist
->nonBlockingCheck(checkNoCacheDoneWrapper
, this);
1079 /* unless otherwise specified, we try to cache. */
1080 checkNoCacheDone(1);
1085 checkNoCacheDoneWrapper(int answer
, void *data
)
1087 ClientRequestContext
*calloutContext
= (ClientRequestContext
*) data
;
1089 if (!calloutContext
->httpStateIsValid())
1092 calloutContext
->checkNoCacheDone(answer
);
1096 ClientRequestContext::checkNoCacheDone(int answer
)
1098 acl_checklist
= NULL
;
1099 http
->request
->flags
.cachable
= answer
;
1104 * Identify requests that do not go through the store and client side stream
1105 * and forward them to the appropriate location. All other requests, request
1109 ClientHttpRequest::processRequest()
1111 debugs(85, 4, "clientProcessRequest: " << RequestMethodStr(request
->method
) << " '" << uri
<< "'");
1114 if (request
->method
== METHOD_CONNECT
&& sslBumpNeeded()) {
1120 if (request
->method
== METHOD_CONNECT
&& !redirect
.status
) {
1121 logType
= LOG_TCP_MISS
;
1122 getConn()->stopReading(); // tunnels read for themselves
1123 tunnelStart(this, &out
.size
, &al
.http
.code
);
1131 ClientHttpRequest::httpStart()
1133 PROF_start(httpStart
);
1134 logType
= LOG_TAG_NONE
;
1135 debugs(85, 4, "ClientHttpRequest::httpStart: " << log_tags
[logType
] << " for '" << uri
<< "'");
1137 /* no one should have touched this */
1138 assert(out
.offset
== 0);
1139 /* Use the Stream Luke */
1140 clientStreamNode
*node
= (clientStreamNode
*)client_stream
.tail
->data
;
1141 clientStreamRead(node
, this, node
->readBuffer
);
1142 PROF_stop(httpStart
);
1147 // determines whether we should bump the CONNECT request
1149 ClientHttpRequest::sslBumpNeeded() const
1151 if (!getConn()->port
->sslBump
|| !Config
.accessList
.ssl_bump
)
1154 debugs(85, 5, HERE
<< "SslBump possible, checking ACL");
1156 ACLFilledChecklist
check(Config
.accessList
.ssl_bump
, request
, NULL
);
1157 check
.src_addr
= request
->client_addr
;
1158 check
.my_addr
= request
->my_addr
;
1159 return check
.fastCheck() == 1;
1162 // called when comm_write has completed
1164 SslBumpEstablish(int, char *, size_t, comm_err_t errflag
, int, void *data
)
1166 ClientHttpRequest
*r
= static_cast<ClientHttpRequest
*>(data
);
1167 debugs(85, 5, HERE
<< "responded to CONNECT: " << r
<< " ? " << errflag
);
1169 assert(r
&& cbdataReferenceValid(r
));
1170 r
->sslBumpEstablish(errflag
);
1174 ClientHttpRequest::sslBumpEstablish(comm_err_t errflag
)
1176 // Bail out quickly on COMM_ERR_CLOSING - close handlers will tidy up
1177 if (errflag
== COMM_ERR_CLOSING
)
1181 getConn()->startClosing("CONNECT response failure in SslBump");
1185 getConn()->switchToHttps();
1189 ClientHttpRequest::sslBumpStart()
1191 debugs(85, 5, HERE
<< "Confirming CONNECT tunnel on FD " << getConn()->clientConn
);
1192 // send an HTTP 200 response to kick client SSL negotiation
1193 debugs(33, 7, HERE
<< "Confirming CONNECT tunnel on FD " << getConn()->clientConn
);
1195 // TODO: Unify with tunnel.cc and add a Server(?) header
1196 static const char *const conn_established
=
1197 "HTTP/1.0 200 Connection established\r\n\r\n";
1198 comm_write(getConn()->clientConn
->fd
, conn_established
, strlen(conn_established
),
1199 &SslBumpEstablish
, this, NULL
);
1205 ClientHttpRequest::gotEnough() const
1207 /** TODO: should be querying the stream. */
1208 int64_t contentLength
=
1209 memObject()->getReply()->bodySize(request
->method
);
1210 assert(contentLength
>= 0);
1212 if (out
.offset
< contentLength
)
1219 ClientHttpRequest::storeEntry(StoreEntry
*newEntry
)
1225 ClientHttpRequest::loggingEntry(StoreEntry
*newEntry
)
1228 loggingEntry_
->unlock();
1230 loggingEntry_
= newEntry
;
1233 loggingEntry_
->lock();
1237 * doCallouts() - This function controls the order of "callout"
1238 * executions, including non-blocking access control checks, the
1239 * redirector, and ICAP. Previously, these callouts were chained
1240 * together such that "clientAccessCheckDone()" would call
1241 * "clientRedirectStart()" and so on.
1243 * The ClientRequestContext (aka calloutContext) class holds certain
1244 * state data for the callout/callback operations. Previously
1245 * ClientHttpRequest would sort of hand off control to ClientRequestContext
1246 * for a short time. ClientRequestContext would then delete itself
1247 * and pass control back to ClientHttpRequest when all callouts
1250 * This caused some problems for ICAP because we want to make the
1251 * ICAP callout after checking ACLs, but before checking the no_cache
1252 * list. We can't stuff the ICAP state into the ClientRequestContext
1253 * class because we still need the ICAP state after ClientRequestContext
1256 * Note that ClientRequestContext is created before the first call
1259 * If one of the callouts notices that ClientHttpRequest is no
1260 * longer valid, it should call cbdataReferenceDone() so that
1261 * ClientHttpRequest's reference count goes to zero and it will get
1262 * deleted. ClientHttpRequest will then delete ClientRequestContext.
1264 * Note that we set the _done flags here before actually starting
1265 * the callout. This is strictly for convenience.
1268 extern int aclMapTOS (acl_tos
* head
, ACLChecklist
* ch
);
1271 ClientHttpRequest::doCallouts()
1273 assert(calloutContext
);
1275 /*Save the original request for logging purposes*/
1276 if (!calloutContext
->http
->al
.request
)
1277 calloutContext
->http
->al
.request
= HTTPMSGLOCK(request
);
1279 if (!calloutContext
->http_access_done
) {
1280 debugs(83, 3, HERE
<< "Doing calloutContext->clientAccessCheck()");
1281 calloutContext
->http_access_done
= true;
1282 calloutContext
->clientAccessCheck();
1287 if (!calloutContext
->adaptation_acl_check_done
) {
1288 calloutContext
->adaptation_acl_check_done
= true;
1289 if (Adaptation::AccessCheck::Start(
1290 Adaptation::methodReqmod
, Adaptation::pointPreCache
,
1291 request
, NULL
, adaptationAclCheckDoneWrapper
, calloutContext
))
1292 return; // will call callback
1296 if (!calloutContext
->redirect_done
) {
1297 calloutContext
->redirect_done
= true;
1298 assert(calloutContext
->redirect_state
== REDIRECT_NONE
);
1300 if (Config
.Program
.redirect
) {
1301 debugs(83, 3, HERE
<< "Doing calloutContext->clientRedirectStart()");
1302 calloutContext
->redirect_state
= REDIRECT_PENDING
;
1303 calloutContext
->clientRedirectStart();
1308 if (!calloutContext
->adapted_http_access_done
) {
1309 debugs(83, 3, HERE
<< "Doing calloutContext->clientAccessCheck2()");
1310 calloutContext
->adapted_http_access_done
= true;
1311 calloutContext
->clientAccessCheck2();
1315 if (!calloutContext
->interpreted_req_hdrs
) {
1316 debugs(83, 3, HERE
<< "Doing clientInterpretRequestHeaders()");
1317 calloutContext
->interpreted_req_hdrs
= 1;
1318 clientInterpretRequestHeaders(this);
1321 if (!calloutContext
->no_cache_done
) {
1322 calloutContext
->no_cache_done
= true;
1324 if (Config
.accessList
.noCache
&& request
->flags
.cachable
) {
1325 debugs(83, 3, HERE
<< "Doing calloutContext->checkNoCache()");
1326 calloutContext
->checkNoCache();
1331 if (!calloutContext
->clientside_tos_done
) {
1332 calloutContext
->clientside_tos_done
= true;
1333 if (getConn() != NULL
&& Comm::IsConnOpen(getConn()->clientConn
)) {
1334 ACLFilledChecklist
ch(NULL
, request
, NULL
);
1335 ch
.src_addr
= request
->client_addr
;
1336 ch
.my_addr
= request
->my_addr
;
1337 int tos
= aclMapTOS(Config
.accessList
.clientside_tos
, &ch
);
1339 comm_set_tos(getConn()->clientConn
->fd
, tos
);
1343 cbdataReferenceDone(calloutContext
->http
);
1344 delete calloutContext
;
1345 calloutContext
= NULL
;
1348 headersLog(0, 1, request
->method
, request
);
1351 debugs(83, 3, HERE
<< "calling processRequest()");
1355 Adaptation::Icap::History::Pointer ih
= request
->icapHistory();
1357 ih
->logType
= logType
;
1362 #include "client_side_request.cci"
1366 /// Initiate an asynchronous adaptation transaction which will call us back.
1368 ClientHttpRequest::startAdaptation(const Adaptation::ServiceGroupPointer
&g
)
1370 debugs(85, 3, HERE
<< "adaptation needed for " << this);
1371 assert(!virginHeadSource
);
1372 assert(!adaptedBodySource
);
1373 virginHeadSource
= initiateAdaptation(
1374 new Adaptation::Iterator(request
, NULL
, g
));
1376 // we could try to guess whether we can bypass this adaptation
1377 // initiation failure, but it should not really happen
1378 Must(initiated(virginHeadSource
));
1382 ClientHttpRequest::noteAdaptationAnswer(HttpMsg
*msg
)
1384 assert(cbdataReferenceValid(this)); // indicates bug
1387 if (HttpRequest
*new_req
= dynamic_cast<HttpRequest
*>(msg
)) {
1389 * Replace the old request with the new request.
1391 HTTPMSGUNLOCK(request
);
1392 request
= HTTPMSGLOCK(new_req
);
1394 * Store the new URI for logging
1397 uri
= xstrdup(urlCanonical(request
));
1398 setLogUri(this, urlCanonicalClean(request
));
1399 assert(request
->method
.id());
1400 } else if (HttpReply
*new_rep
= dynamic_cast<HttpReply
*>(msg
)) {
1401 debugs(85,3,HERE
<< "REQMOD reply is HTTP reply");
1403 // subscribe to receive reply body
1404 if (new_rep
->body_pipe
!= NULL
) {
1405 adaptedBodySource
= new_rep
->body_pipe
;
1406 int consumer_ok
= adaptedBodySource
->setConsumerIfNotLate(this);
1407 assert(consumer_ok
);
1410 clientStreamNode
*node
= (clientStreamNode
*)client_stream
.tail
->prev
->data
;
1411 clientReplyContext
*repContext
= dynamic_cast<clientReplyContext
*>(node
->data
.getRaw());
1412 repContext
->createStoreEntry(request
->method
, request
->flags
);
1414 EBIT_CLR(storeEntry()->flags
, ENTRY_FWD_HDR_WAIT
);
1415 request_satisfaction_mode
= true;
1416 request_satisfaction_offset
= 0;
1417 storeEntry()->replaceHttpReply(new_rep
);
1418 storeEntry()->timestampsSet();
1420 if (!adaptedBodySource
) // no body
1421 storeEntry()->complete();
1422 clientGetMoreData(node
, this);
1425 // we are done with getting headers (but may be receiving body)
1426 clearAdaptation(virginHeadSource
);
1428 if (!request_satisfaction_mode
)
1433 ClientHttpRequest::noteAdaptationQueryAbort(bool final
)
1435 clearAdaptation(virginHeadSource
);
1436 assert(!adaptedBodySource
);
1437 handleAdaptationFailure(!final
);
1441 ClientHttpRequest::noteMoreBodyDataAvailable(BodyPipe::Pointer
)
1443 assert(request_satisfaction_mode
);
1444 assert(adaptedBodySource
!= NULL
);
1446 if (const size_t contentSize
= adaptedBodySource
->buf().contentSize()) {
1447 BodyPipeCheckout
bpc(*adaptedBodySource
);
1448 const StoreIOBuffer
ioBuf(&bpc
.buf
, request_satisfaction_offset
);
1449 storeEntry()->write(ioBuf
);
1450 // assume can write everything
1451 request_satisfaction_offset
+= contentSize
;
1452 bpc
.buf
.consume(contentSize
);
1456 if (adaptedBodySource
->exhausted())
1457 endRequestSatisfaction();
1458 // else wait for more body data
1462 ClientHttpRequest::noteBodyProductionEnded(BodyPipe::Pointer
)
1464 assert(!virginHeadSource
);
1465 if (adaptedBodySource
!= NULL
) { // did not end request satisfaction yet
1466 // We do not expect more because noteMoreBodyDataAvailable always
1467 // consumes everything. We do not even have a mechanism to consume
1468 // leftovers after noteMoreBodyDataAvailable notifications seize.
1469 assert(adaptedBodySource
->exhausted());
1470 endRequestSatisfaction();
1475 ClientHttpRequest::endRequestSatisfaction()
1477 debugs(85,4, HERE
<< this << " ends request satisfaction");
1478 assert(request_satisfaction_mode
);
1479 stopConsumingFrom(adaptedBodySource
);
1481 // TODO: anything else needed to end store entry formation correctly?
1482 storeEntry()->complete();
1486 ClientHttpRequest::noteBodyProducerAborted(BodyPipe::Pointer
)
1488 assert(!virginHeadSource
);
1489 stopConsumingFrom(adaptedBodySource
);
1490 handleAdaptationFailure();
1494 ClientHttpRequest::handleAdaptationFailure(bool bypassable
)
1496 debugs(85,3, HERE
<< "handleAdaptationFailure(" << bypassable
<< ")");
1498 const bool usedStore
= storeEntry() && !storeEntry()->isEmpty();
1499 const bool usedPipe
= request
->body_pipe
!= NULL
&&
1500 request
->body_pipe
->consumedSize() > 0;
1502 if (bypassable
&& !usedStore
&& !usedPipe
) {
1503 debugs(85,3, HERE
<< "ICAP REQMOD callout failed, bypassing: " << calloutContext
);
1509 debugs(85,3, HERE
<< "ICAP REQMOD callout failed, responding with error");
1511 clientStreamNode
*node
= (clientStreamNode
*)client_stream
.tail
->prev
->data
;
1512 clientReplyContext
*repContext
= dynamic_cast<clientReplyContext
*>(node
->data
.getRaw());
1515 // The original author of the code also wanted to pass an errno to
1516 // setReplyToError, but it seems unlikely that the errno reflects the
1517 // true cause of the error at this point, so I did not pass it.
1520 ConnStateData
* c
= getConn();
1521 repContext
->setReplyToError(ERR_ICAP_FAILURE
, HTTP_INTERNAL_SERVER_ERROR
,
1522 request
->method
, NULL
,
1523 (c
!= NULL
? c
->peer
: noAddr
), request
, NULL
,
1524 (c
!= NULL
&& c
->auth_user_request
!= NULL
?
1525 c
->auth_user_request
: request
->auth_user_request
));
1527 node
= (clientStreamNode
*)client_stream
.tail
->data
;
1528 clientStreamRead(node
, this, node
->readBuffer
);